the last word

Photography meets digital computer technology. Photography wins -- most of the time.

  • site home
  • blog home
  • galleries
  • contact
  • underwater
  • the bleeding edge
You are here: Home / About / Patents and papers about color

Patents and papers about color

Papers:

Kasson, J.M., “Efficient, Chromaticity-Preserving Sharpening for RGB Images,” Device-Independent Color Imaging, Walowit, E., Editor, SPIE vol. 2414, pp. 134-145 (1995).

Kasson, J.M., “Efficient, Chromaticity-Preserving Midtone Correction for RGB Images,” Second Color Imaging Conference, Scottsdale, AZ, November 15-18, 1994.

Kasson, J. M., “Tetrahedral Interpolation Algorithm Accuracy,” Device-Independent Color Imaging, Walowit, E., Editor, SPIE vol. 2170 (1994).

Kasson, J. M., Plouffe, W.E., and Nin, S. I., “A tetrahedral interpolation technique for color space conversion,” Device-Independent Color Imaging and Imaging Systems Integration, Motta, R. J., and Berberian, H. A., Editors, SPIE vol. 1909, pp 127-138 (1993).

Nin, S. I., Kasson, J. M., and Plouffe, W., “Printing CIELAB images on a CMYK printer using trilinear interpolation,” Color Hard Copy and Graphic Arts, Bares, J., Editor, SPIE vol. 1670 (1992).

Plouffe, W. Kasson, J.M., Easy-to-Compute Non-Linearities for Efficient Encoding of Color, Society for Information Display International Symposium, Digest of Technical Papers, Volume XXII, May 1991, pp 814-816.

Kasson, J.M. and Plouffe, W., “Subsampled Device-Independent Interchange Color Spaces,” Image Handling and Reproduction Systems Integration, SPIE vol 1460, pp 11-19, 1991.

Kasson, J.M., Color Science for Device-Independent Color Reproduction, Society for Information Display Conference, Las Vegas, NV, May 1990.

Kasson, J.M. and Plouffe, W., Requirements for Computer Interchange Color Spaces, SPSE/SPIE Electronic Imaging Conference, Santa Clara, CA, February 1990.

 

Publications:

Kasson, J.M., Nin, S.I., Plouffe, W.E., and Hafner, J.L., “Performing Color Space Conversions with Three-Dimensional Linear Interpolation, Journal of Electronic Imaging, vol. 4, July 1995, pp. 226-249.

Kasson, J.M., and Plouffe, W.E., “An Analysis of Selected Computer Interchange Color Spaces”, ACM Transactions on Graphics, vol. 11, no. 4, October, 1992, pp. 373-405.

Patents:

Kasson, J.M., “Computationally efficient low-artifact system for spatially filtering digital color images,” USA 5,793,885, issued August 11, 1998.

Kasson, J.M., “Method and Apparatus for Tone Correction of a Digital Color Image with Preservation of the Chromaticity of the Image,” USA. 5,774,112, issued June 30, 1998.

Kasson, J.M., and Plouffe, W.E., Pryor, D., Nin, S.I., “Function Approximation Using a Centered Cubic Packing with Tetragonal Disphenoid Extraction,” USA 5,751,926, issued May 12, 1998.

Edgar, A., and Kasson, J.M., “Automatic Cross Color Elimination,” USA. No. 5,509,086, issued Apr 16, 1996.

Kasson, J.M., “Method and Apparatus for Interactively Indicating Image Boundaries in Digital Image Cropping,” USA. 5,473,740, issued December 5, 1995.

Kasson, J.M., “Color Image Gamut-Mapping System with Chroma Enhancement at Human-Insensitive Spatial Frequencies,” USA. 5,450,216, issued September 12, 1995.

Kasson, J.M., and Plouffe, W.E., “Tetrahedron/Octahedron Packing and Tetrahedron Extraction for Function Approximation,” USA. 5,390,035, issued February 14, 1995.

 
 
 

Comments

  1. John Rader says

    March 5, 2016 at 2:54 pm

    Jim,
    I am curious what the optimal focal length range is for physically building the smallest/simplest lens for the the FE mount Sony cameras, without having special element designs making a virtual focal plane necessary? Theoretically, mirrorless wide angle lenses could be smaller then DSLR lenses, since the lens elements are closer to the sensor plane. Also, I know electronic sensors can not detect light at the high angles film could.

    This brings up a second question. How does this affect lens performance and design with adapters. It seems focal lengths that are optimally designed for mirrorless would be best/simpler without adapters.
    Thanks,
    John

    Reply

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

March 2023
S M T W T F S
 1234
567891011
12131415161718
19202122232425
262728293031  
« Jan    

Articles

  • About
    • Patents and papers about color
    • Who am I?
  • Good 35-70 MF lens
  • How to…
    • Backing up photographic images
    • How to change email providers
  • Lens screening testing
    • Equipment and Software
    • Examples
      • Bad and OK 200-600 at 600
      • Excellent 180-400 zoom
      • Fair 14-30mm zoom
      • Good 100-200 mm MF zoom
      • Good 100-400 zoom
      • Good 100mm lens on P1 P45+
      • Good 120mm MF lens
      • Good 18mm FF lens
      • Good 24-105 mm FF lens
      • Good 24-70 FF zoom
      • Good 35 mm FF lens
      • Good 60 mm lens on IQ3-100
      • Good 63 mm MF lens
      • Good 65 mm FF lens
      • Good 85 mm FF lens
      • Good and bad 25mm FF lenses
      • Good zoom at 24 mm
      • Marginal 18mm lens
      • Marginal 35mm FF lens
      • Mildly problematic 55 mm FF lens
      • OK 16-35mm zoom
      • OK 60mm lens on P1 P45+
      • OK Sony 600mm f/4
      • Pretty good 16-35 FF zoom
      • Pretty good 90mm FF lens
      • Problematic 400 mm FF lens
      • Tilted 20 mm f/1.8 FF lens
      • Tilted 30 mm MF lens
      • Tilted 50 mm FF lens
      • Two 15mm FF lenses
    • Found a problem – now what?
    • Goals for this test
    • Minimum target distances
      • MFT
      • APS-C
      • Full frame
      • Small medium format
    • Printable Siemens Star targets
    • Target size on sensor
      • MFT
      • APS-C
      • Full frame
      • Small medium format
    • Test instructions — postproduction
    • Test instructions — reading the images
    • Test instructions – capture
    • Theory of the test
    • What’s wrong with conventional lens screening?
  • Previsualization heresy
  • Privacy Policy
  • Recommended photographic web sites
  • Using in-camera histograms for ETTR
    • Acknowledgments
    • Why ETTR?
    • Normal in-camera histograms
    • Image processing for in-camera histograms
    • Making the in-camera histogram closely represent the raw histogram
    • Shortcuts to UniWB
    • Preparing for monitor-based UniWB
    • A one-step UniWB procedure
    • The math behind the one-step method
    • Iteration using Newton’s Method

Category List

Recent Comments

  • JimK on Fujifilm GFX 100S pixel shift, visuals
  • Sarmed Mirza on Fujifilm GFX 100S pixel shift, visuals
  • lancej on Two ways to improve the Q2 handling
  • JimK on Sony 135 STF on GFX-50R, sharpness
  • K on Sony 135 STF on GFX-50R, sharpness
  • Mal Paso on Christmas tree light bokeh with the XCD 38V on the X2D
  • Sebastian on More on tilted adapters
  • JimK on On microlens size in the GFX 100 and GFX 50R/S
  • Kyle Krug on On microlens size in the GFX 100 and GFX 50R/S
  • JimK on Hasselblad X2D electronic shutter scan time

Archives

Copyright © 2023 · Daily Dish Pro On Genesis Framework · WordPress · Log in

Unless otherwise noted, all images copyright Jim Kasson.